<template>  
<!-- 底部固定 -->
  <div class="app-container">
   
    <mt-header fixed title="曾凡杰又高又瘦大长腿">
        <span slot="left" @click="goback" v-show="flag">
            <mt-button icon="back">返回</mt-button>
        </span>
        <mt-button icon="more" slot="right"></mt-button>
    </mt-header>

<!-- 中间部分 -->
    <transition>
		<router-view></router-view>
	</transition>
	
<!-- 底部 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb " to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-email"><span class="mui-badge" id="badge" >
                    {{$store.getters.getAllcount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-gear"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
export default{
    data(){
        return{
            flag: false,
        }
    },
    created () {
        this.flag = this.$route.path === "/home"?false:true;
    },
    methods: {
        goback(){
            this.$router.go(-1)
        }
        
    },
    watch:{
        "$route.path":function(newval){
            if(newval === "/home"){
                this.flag = false
            }else{
                this.flag = true
            }
        }
    }
}

</script>


<style lang="scss" scoped>
.app-container{
  padding-top: 40px;
  padding-bottom: 50px;
  overflow: hidden;
}

.v-enter{
	opacity: 0;
    transform: translateX(100%);
}
.v-leave-to{
	opacity: 0;
    transform: translateX(-100%);
	// 这一步是让动画切换时页面内容不上下移动
	position: absolute;
}
.v-enter-active,
.v-leave-active{
    transition: all 0.5s ease;
}
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>
